| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package v1 |
| |
| import ( |
| "k8s.io/api/core/v1" |
| "k8s.io/apimachinery/pkg/labels" |
| ) |
| |
| // NodeConditionPredicate is a function that indicates whether the given node's conditions meet |
| // some set of criteria defined by the function. |
| type NodeConditionPredicate func(node *v1.Node) bool |
| |
| // NodeListerExpansion allows custom methods to be added to |
| // NodeLister. |
| type NodeListerExpansion interface { |
| ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error) |
| } |
| |
| func (l *nodeLister) ListWithPredicate(predicate NodeConditionPredicate) ([]*v1.Node, error) { |
| nodes, err := l.List(labels.Everything()) |
| if err != nil { |
| return nil, err |
| } |
| |
| var filtered []*v1.Node |
| for i := range nodes { |
| if predicate(nodes[i]) { |
| filtered = append(filtered, nodes[i]) |
| } |
| } |
| |
| return filtered, nil |
| } |